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퍼지제어를 이용한 루프검지식 교통 신호등의 최적주기연구
김원규,박종국,홍유식 慶熙大學校 1994 論文集 Vol.23 No.-
This is a study of the electro sensitive traffic system which uses sensors to both extend the cycle if there are many vehicles waiting at a stop light, and reduces it, if there are only a few. It was determined that each vehicle which passes through the loop detector neither is the same length, nor weighs the same, nor is going the same speed. Therefore, the conventional traffic control method is an inadequate measure of traffic volume and can cause delays and increaes waiting time. This paper proposes the optimal traffic cycle using fuzzy control as a system which will reduce vehicle waiting time and will improve the average speed a vehicle travels.
김희진,위유민,박성규,홍성수,조태식,이상호 조선대학교 구강생물학연구소 2002 口腔生物學硏究 Vol.26 No.2
Dentinogenesis imperfecta is an inherited disorder of dentin formation, usually exhibiting an autosomal dominant mode of transmission. Type Ⅰdentinogenesis imperfects occurs in Patients afflicted with osteogenesis imperfecta. Type Ⅱdentinogenesis imperfecta is not associated with osteogenesis imperfects. Type Ⅲ dentinogenesis imperfecta (Brandywine type) occurs in a racial isolate area in the state of Maryland. Clinically, the color of teeth may range from a gray to brownish violet or yellowish brown with translucent or opalescent hue. The enamel often chips and fractures away, allowing speedy attrition of the remaining, poorly calcified. softer dentin. Roentgenographic features include pulpal obliteration, bulbous crowns and short and blunted roots. The cementum, periodontal membrane and the supporting bone appear normal
Pbo-B₂O₃계 저융점유리에 코디어라트 Filler 첨가에 따른 특성에 관한 연구
강원호,이헌식,홍유식,이경희 明知大學校 産業技術硏究所 1989 産業技術硏究所論文集 Vol.8 No.-
On sealing glass for Joining with the ceramic substrate of which the coefficient of thermal(C.T.E) expansion is ??, the properties of sealing glass due to change the content and particle size of filler were studyed. Mother glass used PbO-B₂= 3 system glass and Ceramic filler used cordierite that have low dielectric constance and C.T.E. of ?? Optimum content of filler cordierite for matching C.T.E. withe ceramic substrate is 15 ∼ 17 wt.% and MOR in maximum at 15 wt.%. Sealing glass which prepared with coarse filler in average particle size have a good flowbility, but have a poor resistance to acid and high dielectric contance. The particle size range of cordierite in optimum properties is 270 - 400 mesh.
응집제 Ceramic-Zeolite type과 황토를 이용한 Microcystis aeruginosa 제거에 관한 연구
박홍기,정은영,이유정,정종문,최식영,홍용기 한국환경과학회 2002 한국환경과학회지 Vol.11 No.4
For the proposal of Microcystis aeruginosa control technique by coagulants, removal effects of coagulants were carried out using isolated strain and collected water bloom of M. aeruginosa on Downstream of the Nakdong River. Both of purified and field-collected M. aeruginosa were entirely sedimented by the addition of the coagulant Ceramic-Zeolite type Co 100 (1.5 mg/l) within 24 hr, but Yellow loess (10 mg/l) was less effective for the removal of M. aeruginosa within 24hr. Thus it was concluded that Ceramic-Zeolite type Co 100 was the most effective coagulant.
Optimal Traffic Information using Fuzzy Neural Network
Hong, You-Sik,Lee, Choul--Ki Korean Institute of Intelligent Systems 2003 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.3 No.1
This paper is researching the storing of 40 different kinds of conditions. Such as, car speed, delay in starting time and the volume of cars in traffic. Through the use of a central nervous networking system or AI, using 10 different intersecting roads. We will improve the green traffic light. And allow more cars to easily flow through the intersections. Now days, with increasing many vehicles on restricted roads, the conventional traffic light creates prove startup-delay time and end-lag-time. The conventional traffic light loses the function of optimal cycle. And so, 30-45% of conventional traffic cycle is not matched to the present traffic cycle. In this paper proposes electro sensitive traffic light using fuzzy look up table method which will reduce the average vehicle waiting time and improve average vehicle speed. Computer simulation results prove that reducing the average vehicle waiting time which proposed considering passing vehicle length for optimal traffic cycle is better than fixed signal method which dosen't consider vehicle length.
Prediction of Stroke Risk Using the Magnetoplethysmogram Radial Artery Pulse Data
You Sik Hong,Woo-Beom Lee,Jun-Sang Yu,Gwang Hyun Baek,Myeongsoo Jang,Chang-Min Kim,Young-Hwan Han,Sang-Suk Lee 한국자기학회 2023 Journal of Magnetics Vol.28 No.4
Long periods of stress and depression can cause heart disease, brain disease, and high blood pressure. However, regardless of the advancements in modern medicine, stroke patients face difficulties without special medicines or treatments. A computer simulation is conducted to predict stroke risk factors using a magnetoplethysmogram equipped with a magnetic sensing Hall device to analyze radial artery pulses. We use logistic regression analysis to determine the vacuous pulse from the clinical data of 60 patients with deficiency syndrome and perform a computer simulation to determine stroke and early stage diseases using a TensorFlowbased open source. Additionally, computer simulations using brachycardia diagnostic cluster analysis and fuzzy inference, which are used in oriental medicine, are conducted to improve the prediction rate of stroke by more than 10%.